SES light on, out of the blue

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Dec 23, 2008 | 02:26 PM

lekker_droom

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From: Dallas

SES light on, out of the blue

My SES light came on Saturday night in the middle of a normal peaceful 40 miles highway drive.

Had FI HFC on for about 3-4K miles.

Infiniti dealer won't touch it since the aftermarket on but said their code showed pre cat sensor (O2 sensor).

Bad 02 sensor or cats are messed up?

Dec 23, 2008 | 06:17 PM

eurodre

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From: Socal 818, CA

http://www.infinitihelp.com/diy/gcoupe/engine_codes.htm

Jan 2, 2009 | 04:27 PM

lekker_droom

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From: Dallas

Well after being on constantly for 2 weeks now it went away to day, again, out of the blue????

All I did today was wash and clay the car.

Jan 2, 2009 | 04:30 PM

ShanesG

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gas cap???

Jan 2, 2009 | 04:41 PM

lekker_droom

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From: Dallas

seriously doubt it, dealer suggested same thing but now that you mention it I did get gas 2 days ago and put some STP injector cleaner in. Who knows, damn mystery car.